Lesson Plan 19 Flipping Coins ABC（教案19扔硬币ABC）.pdf

Lesson Plan 19 Flipping Coins Brief description Flipping a coin one hundred times might sound mundane but it always produces truly astonishing results. You‟ll astonish your class by correctly identifying who really flipped a coin one hundred times at home, and who faked their results. Your perplexed students will be motivated to do some basic maths and graph their results on the accompanying worksheet to find out how you did it. Duration: 60 - 80 minutes Year level: Upper primary (some maths ability required) Topics: Probability, scientific method, mathematical average, graphing Preparation: 5 minutes Extensions: Write a short story about how a series of fortunate and/or unfortunate random events can have serious impacts on our attitudes and daily lives Overview Whole class Distribute the 100 Coin Flip homework task and discuss the (15 – 20 min) activity. Homework Students flip a coin. If the result is heads, they flip a coin 100 times and record results. If the result is tails, they imagine flipping a coin 100 times and record their imaginary results. Whole Class Check each student‟s results and astonish the class by (30 – 40 min) correctly identifying whether the results are real or imaginary („faked‟). Explain how you did it (see teacher notes). Return homework sheets for further coin flips and analysis. Small groups Students who faked results pair up with a student who really (15 – 20 min) flipped coins. Students then complete their worksheets and graphs individually. Whole Class Discuss the activity (30 – 40 min) Students will be keen to astonish their family and friends with